Undifinable Rekerds
- North Carolina indie. Artists include AV, Emotion Sickness, Cam-Zen, and 7 Ton Diesel. Catalog, tour dates, and artist links.
- http://undifinable.netfirms.com/

Union Recordings
- San Francisco indie. Free full length MP3 albums are available by request. Artists include Eddy Osney, Ambrose Bierce, Buzzshackler, and Kavune.
- http://unionutile.org/unionrecordings/

Uproar Recordings
- United Kingdom Indie label, home of the Rotten Heroes, Servants of Charon, The Creation and Dobsonfly. Label history, discography, audio and online store.
- http://www.uproar-recordings.co.uk/

Utopian Records
- Non-profit anti-war compilation label. Discography, news and links.
- http://www.angelfire.com/rebellion/utopianrecords/